Date-and-time management device and signature generation...

Details Date-and-time management device and signature generation... Date-and-time management device and signature generation...

2007-09-18

2007-09-18

Zand, Kambiz (Department: 2134)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S181000, C713S170000, C726S030000, C726S028000, C709S248000

Reexamination Certificate

active

09805156

ABSTRACT:
Before accepting a setting request from a predetermined manager in a plurality of date-and-time managers capable of issuing a date-and-time setting request, a setting request from any manager can be accepted. After accepting a setting request from a predetermined manager, only the setting request from the predetermined manager can be accepted. A date and time can be set in response to an accepted date-and-time setting request.

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